Dräger X-AM 2500 User manual

Dräger X-am®2500
(MQG 0011)
i
de Gebrauchsanweisung
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16 Dräger X-am 2500
For your safety
1 For your safety
zBefore using this product, carefully read these Instructions for Use
and those of the associated products.
zStrictly follow the Instructions for Use. The user must fully
understand and strictly observe the instructions. Use the product
only for the purposes specified in the Intended use section of this
document.
zDo not dispose of the Instructions for Use. Ensure that they are
retained and appropriately used by the product user.
zOnly trained and competent users are permitted to use this
product.
zComply with all local and national rules and regulations associated
with this product.
zOnly trained and competent personnel are permitted to inspect,
repair and service the product as detailed in these Instructions for
Use (see chapter 5 on page 25). Further maintenance work that is
not detailed in these Instructions for Use must only be carried out
by Dräger or personnel qualified by Dräger. Dräger recommend a
Dräger service contract for all maintenance activities.
zUse only genuine Dräger spare parts and accessories, or the
proper functioning of the product may be impaired.
zDo not use a faulty or incomplete product. Do not modify the
product.
zNotify Dräger in the event of any component fault or failure.
Safe coupling with electrical devices
Electrical connections to devices which are not listed in these Instructions
for Use should only be made following consultation with the respective
manufacturers or an expert.
Use in areas subject to explosion hazards
Devices or components for use in explosion-hazard areas which have
been tested and approved according to national, European or
international Explosion Protection Regulations may only be used
under the conditions specified in the approval and with consideration
of the relevant legal regulations. The devices or components may not
be modified in any manner. The use of faulty or incomplete parts is
forbidden. The appropriate regulations must be observed at all times
when carrying out repairs on these devices or components.
1.1 Definitions of alert icons
The following alert icons are used in this document to provide and
highlight areas of the associated text that require a greater awareness
by the user. A definition of the meaning of each icon is as follows:
WARNING
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
could result in physical injury, or damage to the product or
environment. It may also be used to alert against unsafe
practices.
NOTICE
Indicates additional information on how to use the product.
!
!
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Dräger X-am 2500 17
Description
2 Description
2.1 Product overview
Special symbols:
2.2 Intended use
Portable gas detection instrument for the continuous monitoring of the
concentration of several gases in the ambient air within the working
area and in explosion-hazard areas.
Independent measurement of up to 4 gases, in accordance with the
installed Dräger sensors.
Areas subject to explosion hazards, classified by zones
The instrument is intended for the use in areas that are at risk for
explosions in Zone 0, Zone 1 or Zone 2 or in mines at risk due to
black damp. It is intended for use within a temperature range of -20 °C
to +50 °C, and for areas in which gases of explosion groups IIA, IIB or
IIC and temperature class T3 or T4 (depending on the batteries and
rechargeable battery) may be present. For zone 0, the temperature
class is limited to T3.
If used in mines, the instrument is only to be used in areas known to
have a low risk of mechanical impact.
Areas subject to explosion hazards, classified by divisions.
The instrument is intended for the use in areas that are at risk for
explosions of Class I&II, Div. 1 or Div. 2. It is intended for use within
a temperature range of –20 °C to +50 °C, and for areas in which gases
or dusts of groups A, B, C, D or E, F, G, and temperature class T3 or T4
(depending on the batteries and rechargeable battery) may
be present.
1Gas entry 8IR interface
2Alarm LED 9Fastening clip
3Horn 10 Model plate
4[OK]key 11 Charging contacts
5Power pack 12 Measured gas display
6[+]-key 13 Measuring value display
7Display 14 Special symbols
15 Tool for sensor change
00133365.eps
2
1
7
64
5
3
2
15
9
11
12 13 14
0
10
8
X-am 2500
ch4%UEG
0.0
O2Vol%
20.9
CO ppm
0.0
H2Sppm
0.0
Fault message 1-button calibration
Warning Single gas calibration
Display peak value Password necessary
Display TWA Battery 100 % full
Show STEL Battery 2/3 full
Bump test mode Battery 1/3 full
Fresh air calibration Battery empty

18 Dräger X-am 2500
Configuration
2.3 Approvals
See "Notes on Approval" on Page 308.
3 Configuration
To individually configure an instrument with standard configuration,
the instrument must be connected to a PC via the USB infrared cable
(order no. 83 17 409). Dräger CC-Vision PC software is used to
perform the configuration.
zChange configuration: see Technical Manual.
Standard instrument configuration:
4Operation
4.1 Preparations for operation
zBefore using the instrument for the first time, insert the enclosed
batteries or a charged NiMH power pack T4 (type HBT 0000, order
no. 83 18 704) / T4 HC (type HBT 0100, order no. 83 22 244), see
chapter 4.9.1 on page 22.
zThe instrument is now ready for operation.
4.2 Switching on the instrument
1. Press and hold the [OK]-key for approx. 3 seconds until the
countdown » 3 . 2 . 1 « shown in the display has elapsed.
{All the display segments, including the visual, audible and
vibration alarms, are activated for a short time.
{The software version is displayed.
{The instrument performs a self-test.
{The sensor that is up next for calibration/adjustment is
displayed with the remaining days until the next calibration/
adjustment e. g. ch4 %LEL CAL 20.
{The time until the bump test interval elapses is displayed
in days, e. g. bt 123.
{All alarm thresholds A1 and A2 as well as (TWA)1and
(STEL)1 for H2S and CO are displayed consecutively.
{During the warm-up period of the sensors, the respective display
of the measured value flashes and the special symbol (for
warning) is displayed. No alarms are issued during the warm-up
period of the sensors.
2. Press the OK-key to cancel the display of the activation sequence.
CE marking: Electromagnetic compatibility
(Directive 2004/108/EC)
Explosion protection (Directive 94/9/EC)
Dräger X-am®25001
1) X-am®is a registered trademark of Dräger.
Bump test mode 2
2) Different settings can be selected to meet customer requirements on delivery.
The current setting can be checked and changed with the Dräger CC Vision software.
Quick bump test
Fresh air calibration 2On
Sign of life 2On
Switch off 2allowed
LEL factor 2
(ch4)
4.4 (vol. %)
(4.4 vol. % corresponds to 100 %LEL)
Averaging time 215 minutes for STEL
8 hours for TWA
1) Only when activated in the instrument configuration. Delivery condition: not activated.

Dräger X-am 2500 19
Operation
4.3 Switching off the instrument
zPress and hold the OK-key and [+]-key at the same time until the
countdown 3 . 2 . 1 shown in the display has elapsed.
Before the instrument is switched off, the visual, audible and
vibration alarms are activated for a short time.
4.4 Before entering the workplace
1. Switch on the instrument. The current measured values are shown
in the display.
2. Observe any warning or fault messages.
3. Check that the gas inlet opening on the instrument is not covered.
4.5 During operation
zDuring operation, the measured values for every measured gas
are displayed.
zIf a measuring range is exceeded or not reached, the following
displays are shown instead of the measured value display:
zExcess concentrations of flammable materials can lead to a lack
of oxygen.
zFor O2concentrations under 8 vol. % an error is indicated with
at the ex-channel instead of the measuring value as long as
the measuring value falls below the pre-warning threshold.
zIn the event of an alarm, the corresponding displays, including the
visual, audible and vibration alarms, are activated, see chapter 4.6
on page 20.
WARNING
Check the display and, if necessary, calibrate the instrument
and check all alarm elements before carrying out safety
relevant measurements. A bump test must be performed
according to the national regulations.
The instrument can be operated normally. If the warning message
does not disappear automatically during operation, the instrument
must be serviced after the end of use.
The instrument is not ready to measure and requires maintenance.
WARNING
Fractions of catalytic poisons in the measuring gas (e.g. volatile
silicium, sulphur, heavy metal compounds or halogenated
hydrocarbon) can damage the Cat Ex sensor. If the CatEx
sensor can no longer be calibrated to the target concentration,
the sensor must be replaced.
In case of measurements in oxygen-deficient atmosphere
(<8 vol. % O2) the CatEx sensor may show incorrect displays;
in this case, a reliable measurement with a CatEx sensor is
not possible.
!
!
WARNING
In an oxygen enriched atmosphere (>21 vol. % O2),
the electrical operational safety cannot be guaranteed; switch
off instrument or leave work station.
» « (measuring range exceeded) or
» «(measuring range not reached) or
» «(blocking alarm).
WARNING
In the event of an impact load when using a CatEx sensor in
the Dräger X-am 2500 that causes the fresh air display to
deviate from zero, the zero point and sensitivity must be
adjusted.
!
!

20 Dräger X-am 2500
Operation
After the measuring range of the TOX measuring channels has been
exceeded temporarily (up to one hour), checking the measuring
channels is not necessary.
4.6 Identifying alarms
An alarm is displayed visually, audibly and through vibration in a specific
pattern.
4.6.1 Concentration pre-alarm A1
Intermittent alarm:
zAlternating A1 display and measuring value. Not for O2!
zThe pre-alarm A1 is not latching and stops when the concentration
has dropped below the alarm threshold A1.
zIn case of A1, a single tone is audible and the alarm LED flashes.
z In case of A2, a double tone is audible and the alarm LED flashes twice.
zAcknowledge pre-warning: Press the OK-key. Only the audible
alarm and the vibration alarm are switched off.
4.6.2 Concentration main alarm A2
Intermittent alarm:
zA2 display and alternating measured value.
For O2:A1 = lack of oxygen
A2 = excess oxygen
After leaving the area, when the concentration has dropped below
the alarm threshold:
zPress the OK-key. The alarm messages are switched off.
If the measuring range is exceeded significantly on the CatEx channel
(very high concentration of flammable materials), a blocking alarm is
triggered. This CatEx blocking alarm can be acknowledged manually
by switching the instrument off and back on again in fresh air.
4.6.3 STEL / TWA exposure alarm
Intermittent alarm:
zDisplay A2 and (STEL) or respectively (TWA) and measured
value alternating:
zThe STEL and TWA alarm cannot be acknowledged or cancelled.
zSwitch off the instrument. The values for the exposure evaluation
are deleted after the instrument is switched on again.
4.6.4 Battery pre-alarm
Intermittent alarm:
zFlashing special symbol on the right side of the display:
zAcknowledge pre-warning: Press the OK-key. Only the audible
alarm and the vibration alarm are switched off.
zThe battery still lasts approx. 20 minutes after the first battery pre-
alarm.
4.6.5 Battery main alarm
Intermittent alarm:
zFlashing special symbol on the right side of the display:
WARNING
Risk of fatal injury! Leave the area immediately. A main alarm
is self-retaining and cannot be acknowledged or cancelled.
!
CAUTION
Leave the area immediately. After this alarm, the deployment
of personnel is subject to the relevant national regulations.
!

Dräger X-am 2500 21
Operation
zThe battery main alarm cannot be acknowledged or cancelled.
zThe instrument is automatically switched off again after 10 seconds.
zBefore the instrument is switched off, the visual, audible and
vibration alarms are activated for a short time.
4.6.6 Instrument alarm
Intermittent alarm:
zSpecial symbol displayed on the right side of the display:
zThe instrument is not ready for operation.
zContact maintenance or Dräger Service to rectify the problem.
4.7 Info Mode
4.7.1 Activating the Info mode
zIn measuring mode, press the OK-key for approx. 3 seconds.
zIf any warning or fault messages exist, the corresponding note or
error codes are displayed (see Technical Handbook).
Press the OK-key successively for the next display. The peak
values and the exposure values TWA and STEV will be displayed.
zIf no key is pressed for 10 seconds, the instrument returns
automatically to measuring mode.
4.7.2 Info Off mode
zPress the [+]-key when the instrument is turned off.
The name of the gas, measuring unit, and measuring range limit
value are displayed for all channels.
zPress the [+]-key again to exit the Info Off Mode (or via timeout).
4.8 Calling the Quick Menu
zIn measuring mode, press the [+]-key three times.
zIf functions in the quick menu are activated using the PC software
"Dräger CC-Vision", you can select these functions using the
[+]-key. If no functions have been activated in the quick menu,
the instrument remains in measuring mode.
zPress the OK-key to activate the selected function.
zPress the [+]-key to cancel the active function and to switch to
measuring mode.
zIf no key is pressed for 60 seconds, the instrument returns
automatically to measuring mode.
Possible functions: 1. Bump test mode
2. Fresh air calibration
3. Display and deletion of the peak values

22 Dräger X-am 2500
Operation
4.9 Common user tasks
4.9.1 Replacing the batteries / rechargeable batteries
1. Switch off instrument: Press and hold OK-key and [+]-key
simultaneously.
2. Loosen the screw on the power pack and remove the power pack.
zFor battery holder (order no. 83 22 237): replace alkaline batteries or
respectively NiMH rechargeable batteries. Ensure correct polarity.
zFor NiMH power pack T4 (type HBT 0000) / T4 HC (type HBT
0100): Replace entire power pack.
3. Insert the power pack into the instrument and tighten the screw,
the instrument switches on automatically.
4.9.2 Charging the instrument with NiMH power pack T4 (type
HBT 0000)/ T4 HC (type HBT 0100)
Even if the instrument is not used, Dräger recommends that you store
the instrument in the charger cradle!
zInsert the switched off instrument into the charger.
zDisplay LED on the charger:
To conserve the lifetime of the batteries, a charge is only carried out in a
temperature range of 5 to 35 °C. When this temperature range is left, the
charging process is automatically interrupted and automatically continued
after the temperature range has been reached again. The charging time
is typically 4 hours. A new NiMH power pack reaches its full capacity after
three complete charge/discharge cycles. Never store the instrument for
extended periods without being connected to a power source (maximum
of 2 months) because the internal buffer battery will drain.
WARNING
Explosion hazard!
Do not throw used batteries into fire or try to open them by force.
Do not replace or charge batteries in a hazardous area.
Batteries / rechargeable batteries are part of the Ex approval.
Only the following types may be used:
zAlkaline batteries – T3 – (non rechargeable!)
Panasonic LR6 Powerline
Varta Type 41061(power one) or
Varta Type 40061(industrial)
zAlkaline batteries – T4 – (non rechargeable!)
Duracell Procell MN15001
zNiMHy rechargeable batteries – T3 – (rechargeable)
GP 180AAHC1(1800 mAh) max. 40 °C ambient
temperature.
Charge NiMH power packs (type HBT 0000) or T4 HC (type
HBT 0100) with the appropriate Dräger charger. Charge
NiMH rechargeable batteries for battery holder ABT 0100 in
accordance with the manufacturer's specifications. Ambient
temperature during the charging process: 0 to +40 °C.
1) Not subject to BVS10 ATEX E 080X and PFG 10 G 001X performance approval.
!
WARNING
Explosion hazard!
Do not charge underground or in explosion hazard areas!
The chargers are not designed in accordance with the
regulations for fire damp and explosion protection.
Charge NiMH power pack T4 (type HBT 0000) or T4 HC (type
HBT 0100) with the appropriate Dräger charger. Ambient
temperature during the charging process: 0 to +40 °C.
Charge
Malfunction
Full
!

Dräger X-am 2500 23
Operation
4.9.3 Carrying out manual bump test
1. Prepare a test gas cylinder, the volume flow must be 0.5 l/min and
the gas concentration must be higher than the alarm threshold
concentration that is to be tested.
2. Connect the test gas cylinder with the calibration cradle (order
no. 83 18 752).
3. Switch on the instrument and insert it into the calibration cradle –
press downwards until it engages.
4. Open the test gas cylinder valve to let test gas flow over the sensors.
5. Wait until the instrument displays the test gas concentration with
sufficient tolerance –
Ex: ±20 % of the test gas concentration1
O2: ±0.6 vol. % 1
TOX: ±20 % of the test gas concentration1
If the alarm thresholds are exceeded, the instrument displays the
gas concentration in alternation with A1 or A2 depending on the
test gas concentration.
6. Close the test gas cylinder valve and remove the instrument from
the calibration cradle.
If the displays are outside of the above-mentioned ranges:
zHave the instrument calibrated by the service personnel.
4.9.4 Calibration
Calibration may not be possible due to instrument and channel errors.
Carrying out the fresh air calibration
Calibrate the instrument to fresh air, free of measured gases or other
interfering gases. During the fresh air calibration the zero point of all
sensors (with the exception of the DrägerSensor XXS O2) are set to 0.
In the case of the DrägerSensor XXS O2, the display is set to 20.9 vol. %.
1. Switch on instrument.
2. Press the [+]-key 3 times, the symbol for fresh air calibration
appears.
3. Press the OK-key to start the fresh air calibration function.
{The measured values flash.
When the measured values have stabilized:
a. Press the [OK] key to perform the calibration.
The display containing the current gas concentration changes
with the display OK.
b. Press the OK-key to exit the calibration function or wait for
approx. 5 seconds.
If a fault has occurred during the fresh air calibration:
a. The fault message appears and is displayed for the
respective sensor instead of the measured value.
b. In this case, repeat the fresh air calibration. If necessary,
have the sensor replaced by qualified personnel.
Calibrating/adjusting the sensitivity for an individual
measuring channel
zThe span calibration/adjustment can be carried out selectively for
individual sensors.
zIn the case of the span calibration/adjustment, the sensitivity of the
selected sensor is set to the value of the test gas used.
zUse a standard test gas.
NOTICE
The automatic bump test with the Bump Test Station is
described in the Technical Handbook.
CAUTION
Never inhale the test gas. Health hazard!
Observe the hazard warnings of the relevant safety data sheets.
1) Upon application of the Dräger mixed gas (order no. 68 11 130) the displays should be
within this range.
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